Journal article
Identifying Gene Network Rewiring by Integrating Gene Expression and Gene Network Data
IEEE/ACM transactions on computational biology and bioinformatics, v 15(6), pp 2079-2085
01 Nov 2018
PMID: 29994068
Featured in Collection : UN Sustainable Development Goals @ Drexel
Abstract
Exploring the rewiring pattern of gene regulatory networks between different pathological states is an important task in bioinformatics. Although a number of computational approaches have been developed to infer differential networks from high-throughput data, most of them only focus on gene expression data. The valuable static gene regulatory network data accumulated in recent biomedical researches are neglected. In this study, we propose a new Gaussian graphical model-based method to infer differential networks by integrating gene expression and static gene regulatory network data. We first evaluate the empirical performance of our method by comparing with the state-of-the-art methods using simulation data. We also apply our method to The Cancer Genome Atlas data to identify gene network rewiring between ovarian cancers with different platinum responses, and rewiring between breast cancers of luminal A subtype and basal-like subtype. Hub genes in the estimated differential networks rediscover known genes associated with platinum resistance in ovarian cancer and signatures of the breast cancer intrinsic subtypes.
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Details
- Title
- Identifying Gene Network Rewiring by Integrating Gene Expression and Gene Network Data
- Creators
- Ting Xu - Central China Normal UniversityLe Ou-Yang - Shenzhen UniversityXiaohua Hu - Central China Normal UniversityXiao-Fei Zhang - Central China Normal University
- Publication Details
- IEEE/ACM transactions on computational biology and bioinformatics, v 15(6), pp 2079-2085
- Publisher
- IEEE
- Number of pages
- 7
- Grant note
- 61402190; 61532008; 61602309 / National Science Foundation of China; National Natural Science Foundation of China (NSFC)
- Resource Type
- Journal article
- Language
- English
- Academic Unit
- Information Science
- Web of Science ID
- WOS:000453563100036
- Scopus ID
- 2-s2.0-85042714368
- Other Identifier
- 991019167690304721
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- Collaboration types
- Domestic collaboration
- International collaboration
- Web of Science research areas
- Biochemical Research Methods
- Computer Science, Interdisciplinary Applications
- Mathematics, Interdisciplinary Applications
- Statistics & Probability